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Home ยป Catching Bandits and Only Bandits: Privacy-Preserving Intersection Warrants for Lawful Surveillance
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Catching Bandits and Only Bandits: Privacy-Preserving Intersection Warrants for Lawful Surveillance

Authors: 

Aaron Segal, Bryan Ford, and Joan Feigenbaum, Yale University

Abstract: 

Motivated in part by the Snowden revelations, we address the question of whether intelligence and lawenforcement agencies can gather actionable, relevant information about unknown electronic targets without conducting dragnet surveillance. We formulate principles that we believe effective, lawful surveillance protocols should adhere to in an era of big data and global communication networks. We then focus on intersection of cell-tower dumps, a specific surveillance operation that the FBI has used effectively. As a case study, we present a system that computes such intersections in a privacy-preserving, accountable fashion. Preliminary experiments indicate that such a system could be efficient and usable, suggesting that privacy and accountability need not be barriers to effective intelligence gathering.

Aaron Segal, Yale University

Bryan Ford, Yale University

Joan Feigenbaum, Yale University

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BibTeX
@inproceedings {185053,
author = {Aaron Segal and Bryan Ford and Joan Feigenbaum},
title = {Catching Bandits and Only Bandits: {Privacy-Preserving} Intersection Warrants for Lawful Surveillance},
booktitle = {4th USENIX Workshop on Free and Open Communications on the Internet (FOCI 14)},
year = {2014},
address = {San Diego, CA},
url = {https://www.usenix.org/conference/foci14/workshop-program/presentation/segal},
publisher = {USENIX Association},
month = aug,
}
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